Northwestern Ontario weather for August 21, 2026: Morning fog gives way to a 40% chance of showers and thunderstorms in Kenora, Fort Frances, Red Lake, Dryden, Sioux Lookout and Pickle Lake

August 21, 2026: Northwestern Ontario Weather — Foggy Start Gives Way to Afternoon Showers and Thunderstorm Risk Thunder Bay – Weather Desk – Northwestern Ontario is starting Friday with areas of dense fog, high humidity and light winds, but the weather will become more active this afternoon. Kenora, Fort Frances, Red Lake, Vermilion Bay, Dryden, […] The Article Northwestern Ontario weather for…